local-relief
| method
| local relief | |
| oil | 局部地形起伏 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 局部地形起伏 | |||
| 局部送风 | |||
|
local-relief : 4 phrases in 3 subjects |
| Metallurgy | 1 |
| Shipbuilding | 1 |
| Technology | 2 |